Status of the ENDF project M. Herman, P. Oblozinsky National - - PowerPoint PPT Presentation

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Status of the ENDF project M. Herman, P. Oblozinsky National - - PowerPoint PPT Presentation

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Status of the ENDF project M. Herman, P. Oblozinsky National Nuclear Data Center, BNL mwherman@bnl.gov Brookhaven Science Associates WPEC Mike Herman Tokai, June 5-6, 2008 ENDF/B-VII.0 library Released December 2006 (16 years after

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Mike Herman WPEC Tokai, June 5-6, 2008

Status of the ENDF project

  • M. Herman, P. Oblozinsky

National Nuclear Data Center, BNL

mwherman@bnl.gov

Brookhaven Science Associates

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Mike Herman Presentation KAERI, June 2, 2008

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ENDF/B-VII.0 library

Released December 2006

(16 years after ENDF/B-VI)

www.nndc.bnl.gov/endf7/

Major contributors

LANL (actinides, light nuclei, thermal neutron scattering) BNL (fission products resonances & fast, decay data) ORNL (resonances)

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Mike Herman WPEC Tokai, June 5-6, 2008

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Validation

16 contributions to be found at

www.nndc.bnl.gov/exfor/4web/benchmarking.html

Contributors:

  • R. MacFarlane
  • A. Khaler
  • D. Mosteller
  • C. Huria
  • D. Cullen

D.Brown J.Ch. Sublet

Results indicate overall improvement compared to ENDF/B-VI.8

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Mike Herman WPEC Tokai, June 5-6, 2008

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New evaluations

CSWEG reestablished the ENDF/A library as repository of updated and new files Current updates can be grouped into: fixes to ENDF/B-VII.0 files with Evaluated Gamma Activation File data new evaluations files with new resonance covariances (MF=32) files with cross section covariances covering the whole energy range (up to 20 MeV).

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Mike Herman WPEC Tokai, June 5-6, 2008

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Contents of ENDF/A

  • 1. n-001_H_003.RC-fix

2. n-011_Na_022.res-tot-width

  • 3. n-037_Rb_087.RC-fix
  • 4. n-040_Zr_90t2.bnl
  • 5. n-048_Cd_113.bnl
  • 6. n-094_Pu_241.za-fixed
  • 7. n-095_Am_241.za-fixed
  • 8. n-17_Cl_35.ornl
  • 9. n-17_Cl_37_Y8D_070307.ornl
  • 10. n-182_W+EGAF.llnl
  • 11. n-183_W+EGAF.llnl
  • 12. n-184_W+EGAF.llnl
  • 13. n-186_W+EGAF.llnl
  • 14. n-19_F+EGAF.llnl
  • 15. n-237_U_11.12.2007.llnl
  • 16. n-Am_240-new.llnl
  • 17. n-Mn_055-newRR.ornl
  • 18. n-Mo_97.lanl-fix
  • 19. n-Pu_239-newMF33.ornl-lanl-prelim
  • 20. n-U_233-newMF33.ornl-lanl-prelim
  • 21. n-U_235-newMF33.ornl-lanl-prelim
  • 22. n-U_238-newMF33.ornl-lanl-prelim
  • 23. n-Zr_96.lanl-fix
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Mike Herman WPEC Tokai, June 5-6, 2008

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Covariances

Major improvements expected in the next release Recent activities evaluations of MF=32 and 33 by ORNL and LANL ‘low-fidelity’ covariance project including a full set of VII.0 materials is under completion (BNL, ORNL and LANL) advances in processing covariances (PUFF-IV.1.0.4 and NJOY-99.259) Workshop on Neutron Cross section Covariances (60 participants, >40 contributions)

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Mike Herman Presentation KAERI, June 2, 2008

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Sigma: Web retrieval & plotting for ENDF/B-VII

Transparent and easy to use, www.nndc.bnl.gov/sigma

Sigma-2, April 2008, new features

 Angular distributions of neutrons (MF4)  Spectra of neutrons and photons (MF5)  Mathematical operations (MF3)

Coming soon

 Energy-angle distributions (MF6)  Covariances (MF33)

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Mike Herman Presentation KAERI, June 2, 2008

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Sigma: Web retrieval & plotting for ENDF/B-VII

Transparent and easy to use, www.nndc.bnl.gov/sigma

Sigma-2, April 2008, new features

 Angular distributions of neutrons (MF4)  Spectra of neutrons and photons (MF5)  Mathematical operations (MF3)

Coming soon

 Energy-angle distributions (MF6)  Covariances (MF33)

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Mike Herman Presentation KAERI, June 2, 2008

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Sigma: Web retrieval & plotting for ENDF/B-VII

Transparent and easy to use, www.nndc.bnl.gov/sigma

Sigma-2, April 2008, new features

 Angular distributions of neutrons (MF4)  Spectra of neutrons and photons (MF5)  Mathematical operations (MF3)

Coming soon

 Energy-angle distributions (MF6)  Covariances (MF33)

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Mike Herman Presentation KAERI, June 2, 2008

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ENDF-6 manual Problems with the current version

  • MS Word

– Poor quality – Lack of modern features (structuring, hyperlinks, automatic indexing and referencing) – Difficult to handle

  • Conversion to pdf takes 1.5 hours
  • Printing about 3 hours
  • Recent format updates not included
  • Some changes lost in 2005

Solution: go back to LaTeX!

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Mike Herman Presentation KAERI, June 2, 2008

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New ENDF-6 manual

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Mike Herman Presentation KAERI, June 2, 2008

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Status of ENDF checking codes

CHECKR-7.04

Only errors reported in output Warning subroutine introduced ’MT allowed in derived files' classified as a warning rather than an error Can be compiled with GNU g95

FIZCON-7.05

Only errors reported in output Increased dimensions for workspace and number of gamma rays ’LB=8 section missing' not considered an error Can be compiled with GNU g95

PSYCHE-7.03

Can be compiled with GNU g95

STANEF-7.02

Several dimensions increased Extended MF=32 processing Can be compiled with GNU g95

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Mike Herman Presentation KAERI, June 2, 2008

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ENDF/B-VII.0 in ACE Format

Name: ENDF/B-VII.0-ACE ID: D00226MNYCP00 Contents:

Neutron Reaction Sublibrary (392 materials, 300oK)

Neutron Thermal Scattering Sublibrary (20 materials, one temperature for each material) Request through:

rsicc.ornl.gov/rsiccnew/CFDOCS/ENDFrequest_form1.cfm